1 /* 2 * 3 * (C) Copyright 2000-2003 4 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 5 * 6 * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. 7 * TsiChung Liew (Tsi-Chung.Liew@freescale.com) 8 * 9 * See file CREDITS for list of people who contributed to this 10 * project. 11 * 12 * This program is free software; you can redistribute it and/or 13 * modify it under the terms of the GNU General Public License as 14 * published by the Free Software Foundation; either version 2 of 15 * the License, or (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 25 * MA 02111-1307 USA 26 */ 27 28 #include <common.h> 29 #include <watchdog.h> 30 #include <command.h> 31 #include <netdev.h> 32 33 #include <asm/immap.h> 34 #include <asm/io.h> 35 36 DECLARE_GLOBAL_DATA_PTR; 37 38 int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) 39 { 40 rcm_t *rcm = (rcm_t *) (MMAP_RCM); 41 udelay(1000); 42 setbits_8(&rcm->rcr, RCM_RCR_SOFTRST); 43 44 /* we don't return! */ 45 return 0; 46 }; 47 48 int checkcpu(void) 49 { 50 ccm_t *ccm = (ccm_t *) MMAP_CCM; 51 u16 msk; 52 u16 id = 0; 53 u8 ver; 54 55 puts("CPU: "); 56 msk = (in_be16(&ccm->cir) >> 6); 57 ver = (in_be16(&ccm->cir) & 0x003f); 58 switch (msk) { 59 case 0x48: 60 id = 54455; 61 break; 62 case 0x49: 63 id = 54454; 64 break; 65 case 0x4a: 66 id = 54453; 67 break; 68 case 0x4b: 69 id = 54452; 70 break; 71 case 0x4d: 72 id = 54451; 73 break; 74 case 0x4f: 75 id = 54450; 76 break; 77 } 78 79 if (id) { 80 char buf1[32], buf2[32], buf3[32]; 81 82 printf("Freescale MCF%d (Mask:%01x Version:%x)\n", id, msk, 83 ver); 84 printf(" CPU CLK %s MHz BUS CLK %s MHz FLB CLK %s MHz\n", 85 strmhz(buf1, gd->cpu_clk), 86 strmhz(buf2, gd->bus_clk), 87 strmhz(buf3, gd->flb_clk)); 88 #ifdef CONFIG_PCI 89 printf(" PCI CLK %s MHz INP CLK %s MHz VCO CLK %s MHz\n", 90 strmhz(buf1, gd->pci_clk), 91 strmhz(buf2, gd->inp_clk), 92 strmhz(buf3, gd->vco_clk)); 93 #else 94 printf(" INP CLK %s MHz VCO CLK %s MHz\n", 95 strmhz(buf1, gd->inp_clk), 96 strmhz(buf2, gd->vco_clk)); 97 #endif 98 } 99 100 return 0; 101 } 102 103 #if defined(CONFIG_MCFFEC) 104 /* Default initializations for MCFFEC controllers. To override, 105 * create a board-specific function called: 106 * int board_eth_init(bd_t *bis) 107 */ 108 109 int cpu_eth_init(bd_t *bis) 110 { 111 return mcffec_initialize(bis); 112 } 113 #endif 114